[turbolizer] Rework keydown event handling

This CL simplifies the keydown handling code and fixes
several issues:

 - Input to the search box was not reliably working, because
   the SVG keydown handler was attached to the window and its
   repeat-key detection was supressing key events.
 - Selecting the input of a node via keys 1-9 did not select the
   input, but always enabled the corresponding input node.
   1-9 now select the input node, and CTRL+1 through CTRL+9 can
   be used to toggle the input edge.

Bug: v8:7327
Notry: true
Change-Id: Ifedc8b703f6552e101ad00fee2f3c50f29b325b5
Reviewed-on: https://chromium-review.googlesource.com/c/1397666
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58579}

tools/turbolizer/src/code-view.ts

@@ -62,7 +62,7 @@ export class CodeView extends View {
         for (const location of locations) {
           const translated = sourceResolver.translateToSourceId(view.source.sourceId, location);
           if (!translated) continue;
-          view.selection.select(translated, selected);
+          view.selection.select([translated], selected);
         }
         view.updateSelection(firstSelect);
       },

tools/turbolizer/src/graph-view.ts

@@ -25,7 +25,6 @@ interface GraphState {
   mouseDownNode: any;
   justDragged: boolean,
   justScaleTransGraph: boolean,
-  lastKeyDown: number,
   hideDead: boolean
 }
 
@@ -59,12 +58,20 @@ export class GraphView extends View implements PhaseView {
     this.broker = broker;
     this.showPhaseByName = showPhaseByName;
     this.divElement = d3.select(this.divNode);
-    const svg = this.divElement.append("svg").attr('version', '1.1')
+    const svg = this.divElement.append("svg")
+      .attr('version', '2.0')
       .attr("width", "100%")
-      .attr("height", "100%");
+      .attr("height", "100%")
     svg.on("click", function (d) {
       view.selectionHandler.clear();
     });
+    // Listen for key events. Note that the focus handler seems 
+    // to be important even if it does nothing.
+    svg
+      .attr("focusable", false)
+      .on("focus", (e) => { })
+      .on("keydown", (e) => { view.svgKeyDown(); })
+
     view.svg = svg;
 
     this.state = {
@@ -72,7 +79,6 @@ export class GraphView extends View implements PhaseView {
       mouseDownNode: null,
       justDragged: false,
       justScaleTransGraph: false,
-      lastKeyDown: -1,
       showTypes: false,
       hideDead: false
     };
@@ -83,7 +89,7 @@ export class GraphView extends View implements PhaseView {
         broker.broadcastClear(this);
         view.updateGraphVisibility();
       },
-      select: function (nodes: Iterable<GNode>, selected: boolean) {
+      select: function (nodes: Array<GNode>, selected: boolean) {
         let locations = [];
         for (const node of nodes) {
           if (node.nodeLabel.sourcePosition) {
@@ -148,14 +154,6 @@ export class GraphView extends View implements PhaseView {
         view.updateGraphVisibility();
       });
 
-
-    // listen for key events
-    d3.select(window).on("keydown", function (e) {
-      view.svgKeyDown.call(view);
-    }).on("keyup", function () {
-      view.svgKeyUp.call(view);
-    });
-
     function zoomed() {
       if (d3.event.shiftKey) return false;
       view.graphElement.attr("transform", d3.event.transform);
@@ -424,13 +422,13 @@ export class GraphView extends View implements PhaseView {
           reg.exec(n.nodeLabel.opcode) != null);
       };
 
-      const selection = this.graph.nodes((n) => {
+      const selection = [...this.graph.nodes((n) => {
         if ((e.ctrlKey || n.visible) && filterFunction(n)) {
           if (e.ctrlKey) n.visible = true;
           return true;
         }
         return false;
-      });
+      })];
 
       this.selectionHandler.select(selection, true);
       this.connectVisibleSelectedNodes();
@@ -444,23 +442,18 @@ export class GraphView extends View implements PhaseView {
   svgKeyDown() {
     const view = this;
     const state = this.state;
-    let allowRepetition = true;
-
-    // Don't handle key press repetition
-    if (state.lastKeyDown !== -1) return;
 
-    const showSelectionFrontierNodes = (inEdges: boolean, filter: (e: Edge, i: number) => boolean, select: boolean) => {
+    const showSelectionFrontierNodes = (inEdges: boolean, filter: (e: Edge, i: number) => boolean, doSelect: boolean) => {
       const frontier = view.getNodeFrontier(state.selection, inEdges, filter);
       if (frontier != undefined && frontier.size) {
-        if (select) {
+        if (doSelect) {
           if (!d3.event.shiftKey) {
             state.selection.clear();
           }
-          state.selection.select(frontier, true);
+          state.selection.select([...frontier], true);
         }
         view.updateGraphVisibility();
       }
-      allowRepetition = false;
     }
 
     let eventHandled = true; // unless the below switch defaults
@@ -477,7 +470,7 @@ export class GraphView extends View implements PhaseView {
         // '1'-'9'
         showSelectionFrontierNodes(true,
           (edge: Edge, index: number) => { return index == (d3.event.keyCode - 49); },
-          false);
+          !d3.event.ctrlKey);
         break;
       case 97:
       case 98:
@@ -491,7 +484,7 @@ export class GraphView extends View implements PhaseView {
         // 'numpad 1'-'numpad 9'
         showSelectionFrontierNodes(true,
           (edge, index) => { return index == (d3.event.keyCode - 97); },
-          false);
+          !d3.event.ctrlKey);
         break;
       case 67:
         // 'c'
@@ -511,12 +504,15 @@ export class GraphView extends View implements PhaseView {
         break;
       case 73:
         // 'i'
+        if (!d3.event.ctrlKey && !d3.event.shiftKey) {
           showSelectionFrontierNodes(true, undefined, false);
+        } else {
+          eventHandled = false;
+        }
         break;
       case 65:
         // 'a'
         view.selectAllNodes();
-        allowRepetition = false;
         break;
       case 38:
       case 40: {
@@ -525,7 +521,7 @@ export class GraphView extends View implements PhaseView {
       }
       case 82:
         // 'r'
-        if (!d3.event.ctrlKey) {
+        if (!d3.event.ctrlKey && !d3.event.shiftKey) {
           this.layoutAction(this);
         } else {
           eventHandled = false;
@@ -535,10 +531,6 @@ export class GraphView extends View implements PhaseView {
         // 's'
         view.selectOrigins();
         break;
-      case 191:
-        // '/'
-        document.getElementById("search-input").focus();
-        break;
       default:
         eventHandled = false;
         break;
@@ -546,14 +538,7 @@ export class GraphView extends View implements PhaseView {
     if (eventHandled) {
       d3.event.preventDefault();
     }
-    if (!allowRepetition) {
-      state.lastKeyDown = d3.event.keyCode;
   }
-  }
-
-  svgKeyUp() {
-    this.state.lastKeyDown = -1
-  };
 
   layoutGraph() {
     console.time("layoutGraph");

tools/turbolizer/src/graphmultiview.ts

@@ -61,6 +61,11 @@ export class GraphMultiView extends View {
       if (!view.currentPhaseView) return;
       view.currentPhaseView.searchInputAction(searchInput, e)
     });
+    view.divNode.addEventListener("keyup", (e: KeyboardEvent) => {
+      if (e.keyCode == 191) { // keyCode == '/'
+        searchInput.focus();
+      }
+    });
     searchInput.setAttribute("value", window.sessionStorage.getItem("lastSearch") || "");
     this.graph = new GraphView(this.divNode, selectionBroker,
       (phaseName) => view.displayPhaseByName(phaseName));

tools/turbolizer/src/node-label.ts

@@ -32,6 +32,7 @@ export class NodeLabel {
         this.live = live;
         this.properties = properties;
         this.sourcePosition = sourcePosition;
+        this.origin = origin;
         this.opcode = opcode;
         this.control = control;
         this.opinfo = opinfo;

tools/turbolizer/src/selection.ts

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import {isIterable} from "../src/util"
-
 export class MySelection {
   selection: any;
   stringKey: (o: any) => string;
@@ -21,8 +19,7 @@ export class MySelection {
     this.selection = new Map();
   }
 
-  select(s, isSelected) {
-    if (!isIterable(s)) { s = [s]; }
+  select(s: Iterable<any>, isSelected?: boolean) {
     for (const i of s) {
       if (!i) continue;
       if (isSelected == undefined) {
@@ -36,7 +33,7 @@ export class MySelection {
     }
   }
 
-  isSelected(i): boolean {
+  isSelected(i:any): boolean {
     return this.selection.has(this.stringKey(i));
   }